public virtual void CopyPagesFlushedResources() { byte[] docBytes; using (ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) { using (PdfDocument document = new PdfDocument(new PdfWriter(outputStream))) { PdfPage page = document.AddNewPage(); PdfResources pdfResource = page.GetResources(); PdfDictionary ocg = new PdfDictionary(); ocg.Put(PdfName.Type, PdfName.OCG); ocg.Put(PdfName.Name, new PdfString("name1")); ocg.MakeIndirect(document); pdfResource.AddProperties(ocg); pdfResource.MakeIndirect(document); PdfPage page2 = document.AddNewPage(); page2.SetResources(pdfResource); document.GetCatalog().GetOCProperties(true); } docBytes = outputStream.ToArray(); } PdfWriter writer = new PdfWriter(new ByteArrayOutputStream()); using (PdfDocument outDocument = new PdfDocument(writer)) { using (PdfDocument fromDocument = new PdfDocument(new PdfReader(new MemoryStream(docBytes)))) { fromDocument.CopyPagesTo(1, 1, outDocument); IList <String> layerNames = new List <String>(); layerNames.Add("name1"); PdfDocumentUnitTest.AssertLayerNames(outDocument, layerNames); outDocument.FlushCopiedObjects(fromDocument); fromDocument.CopyPagesTo(2, 2, outDocument); NUnit.Framework.Assert.IsNotNull(outDocument.GetCatalog()); PdfOCProperties ocProperties = outDocument.GetCatalog().GetOCProperties(false); NUnit.Framework.Assert.IsNotNull(ocProperties); NUnit.Framework.Assert.AreEqual(1, ocProperties.GetLayers().Count); PdfLayer layer = ocProperties.GetLayers()[0]; NUnit.Framework.Assert.IsTrue(layer.GetPdfObject().IsFlushed()); } } }
private bool FlushPage(int pageNum) { PdfPage page = pdfDoc.GetPage(pageNum); if (page.IsFlushed()) { return(false); } bool pageChanged = false; if (!release) { pdfDoc.DispatchEvent(new PdfDocumentEvent(PdfDocumentEvent.END_PAGE, page)); InitCurrentLayers(pdfDoc); } PdfDictionary pageDict = page.GetPdfObject(); // Using PdfPage package internal methods in order to avoid PdfResources initialization: initializing PdfResources // limits processing possibilities only to cases in which resources and specific resource type dictionaries are not flushed. PdfDictionary resourcesDict = page.InitResources(false); // inits /Resources dict entry if not inherited and not created yet PdfResources resources = page.GetResources(false); if (resources != null && resources.IsModified() && !resources.IsReadOnly()) { resourcesDict = resources.GetPdfObject(); pageDict.Put(PdfName.Resources, resources.GetPdfObject()); pageDict.SetModified(); pageChanged = true; } if (!resourcesDict.IsFlushed()) { FlushDictRecursively(resourcesDict, null); FlushOrRelease(resourcesDict); } FlushDictRecursively(pageDict, pageContext); if (release) { if (!page.GetPdfObject().IsModified()) { pdfDoc.GetCatalog().GetPageTree().ReleasePage(pageNum); page.UnsetForbidRelease(); page.GetPdfObject().Release(); } } else { if (pdfDoc.IsTagged() && !pdfDoc.GetStructTreeRoot().IsFlushed()) { page.TryFlushPageTags(); } if (!pdfDoc.IsAppendMode() || page.GetPdfObject().IsModified()) { page.ReleaseInstanceFields(); page.GetPdfObject().Flush(); } else { // it's append mode pdfDoc.GetCatalog().GetPageTree().ReleasePage(pageNum); page.UnsetForbidRelease(); page.GetPdfObject().Release(); } } layersRefs.Clear(); return(pageChanged); }
public virtual iText.Kernel.Pdf.PdfPage SetResources(PdfResources pdfResources) { GetPdfObject().Put(PdfName.Resources, pdfResources.GetPdfObject()); this.resources = pdfResources; return(this); }